/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.ignite.internal.processors.cache.persistence.snapshot.dump;

import org.apache.ignite.internal.processors.cache.CacheObject;
import org.apache.ignite.internal.processors.cache.GridCacheContext;
import org.apache.ignite.internal.processors.cache.KeyCacheObject;
import org.apache.ignite.internal.processors.cache.version.GridCacheVersion;
import org.jetbrains.annotations.Nullable;

/**
 * Copy on write listener that handles changes of entries during dump.
 */
public interface DumpEntryChangeListener {
    /**
     * @param cctx Cache context.
     * @param key Key.
     * @param val Value BEFORE change.
     * @param expireTime Expire time BEFORE change.
     * @param ver Version of entry BEFORE change.
     */
    public void beforeChange(GridCacheContext cctx, KeyCacheObject key, @Nullable CacheObject val, long expireTime, GridCacheVersion ver);
}
